DTC 92

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2192/92: Select Switch Error (Test Mode DTC)

DTC C2192/92 - Select Switch Error (Test Mode DTC)

DESCRIPTION

The tire pressure warning select switch has 2 positions: "MAIN" and "2nd". 2 sets of IDs (2 sets of tires) for the tire pressure warning valve and transmitter can be registered to the tire pressure warning ECU.






WIRING DIAGRAM





INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
- It is necessary to perform the initialization Initialization after the registration Registration of the transmitter IDs into the tire pressure warning ECU if the ECU has been replaced.

PROCEDURE

1. READ VALUE USING TECHSTREAM (SELECT SWITCH)
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Check that the value displayed on the Techstream display changes when pressing the tire pressure warning select switch. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

Tire Pressure Monitor:





OK:
Tire pressure warning select switch value changes.
NG -- INSPECT TIRE PRESSURE WARNING SELECT SWITCH
OK -- END
2. INSPECT TIRE PRESSURE WARNING SELECT SWITCH




(a) Disconnect the tire pressure warning select switch K50 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE TIRE PRESSURE WARNING SELECT SWITCH
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (ECU - SELECT SWITCH)




(a) Disconnect the tire pressure warning ECU K45 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

4. CHECK HARNESS AND CONNECTOR (SELECT SWITCH - BODY GROUND)




(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE TIRE PRESSURE WARNING ECU